/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #85a2a6 0%, #666666 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo h1 {
    color: #85a2a6;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.logo p {
    color: #666;
    font-size: 0.9rem;
    font-weight: 300;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.main-nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.main-nav a:hover,
.main-nav a.active {
    background: #85a2a6;
    color: #fff;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    background: #fff;
    padding: 3rem 0;
    margin-bottom: 2rem;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-text h2 {
    font-size: 2.5rem;
    color: #85a2a6;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-text p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.cta-button {
    display: inline-block;
    background: #FFCC00;
    color: #333;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(255, 204, 0, 0.3);
}

.cta-button:hover {
    background: #e6b800;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 204, 0, 0.4);
}

/* Image Slider */
.image-slider {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.slider-container {
    position: relative;
    height: 300px;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.7);
    color: #fff;
    padding: 1rem;
    text-align: center;
    font-weight: 600;
}

.slider-controls button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.8);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.slider-controls button:hover {
    background: rgba(255,255,255,1);
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.prev-btn {
    left: 10px;
}

.next-btn {
    right: 10px;
}

.slider-dots {
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: #fff;
    transform: scale(1.2);
}

/* Main Content */
.main-content {
    margin-bottom: 2rem;
}

.content-grid {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 2rem;
}

/* Sidebar */
.sidebar {
    background: #85a2a6;
    border-radius: 10px;
    padding: 2rem;
    height: fit-content;
}

.products-menu h3 {
    color: #FFCC00;
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    text-align: center;
    font-weight: 700;
}

.product-categories {
    color: #fff;
}

.category {
    margin-bottom: 2rem;
}

.category h4 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    font-weight: 600;
    border-bottom: 2px solid #FFCC00;
    padding-bottom: 0.5rem;
}

.category ul {
    list-style: none;
}

.category li {
    margin-bottom: 0.5rem;
}

.category a {
    color: #fff;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: block;
    padding: 0.25rem 0;
}

.category a:hover {
    color: #FFCC00;
    padding-left: 0.5rem;
}

/* Content Area */
.content {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.brand-banner {
    background: #FFCC00;
    padding: 2rem;
    text-align: center;
}

.brand-banner h2 {
    color: #333;
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.4;
}

.brand-name {
    color: #85a2a6;
    font-weight: 700;
}

.about-content {
    padding: 2rem;
    background: #000;
    color: #fff;
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-size: 1rem;
}

.read-more {
    text-align: center;
    margin-top: 2rem;
}

.read-more-link {
    color: #FFCC00;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.read-more-link:hover {
    color: #fff;
    text-decoration: underline;
}

/* Footer */
.footer {
    background: #85a2a6;
    color: #fff;
    padding: 2rem 0 1rem;
}

.footer-content {
    text-align: center;
    margin-bottom: 1rem;
}

.footer-nav {
    margin-bottom: 1.5rem;
}

.footer-nav a {
    color: #fff;
    text-decoration: none;
    margin: 0 0.5rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer-nav a:hover {
    color: #FFCC00;
}

.contact-info p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.contact-info a {
    color: #FFCC00;
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: 1rem;
    text-align: center;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.8);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
        position: relative;
    }
    
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 1000;
    }
    
    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .main-nav ul {
        flex-direction: column;
        padding: 1rem;
        margin: 0;
    }
    
    .main-nav li {
        margin: 0.5rem 0;
        width: 100%;
    }
    
    .main-nav a {
        display: block;
        padding: 1rem 1.5rem;
        border-radius: 4px;
        transition: all 0.3s ease;
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .main-nav a:hover,
    .main-nav a.active {
        background: #85a2a6;
        color: #fff;
    }
    
    .mobile-menu-toggle {
        display: flex;
        position: absolute;
        top: 1rem;
        right: 0;
        z-index: 1001;
        padding: 8px;
        border-radius: 4px;
        transition: background-color 0.3s ease;
    }
    
    .mobile-menu-toggle:hover {
        background-color: rgba(133, 162, 166, 0.1);
    }
    
    .mobile-menu-toggle:active {
        background-color: rgba(133, 162, 166, 0.2);
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-text h2 {
        font-size: 2rem;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .sidebar {
        order: 2;
    }
    
    .content {
        order: 1;
    }
    
    .slider-container {
        height: 250px;
    }
    
    .brand-banner h2 {
        font-size: 1.3rem;
    }
    
    .about-content {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .hero-text h2 {
        font-size: 1.8rem;
    }
    
    .slider-container {
        height: 200px;
    }
    
    .slider-controls button {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .brand-banner {
        padding: 1.5rem;
    }
    
    .brand-banner h2 {
        font-size: 1.2rem;
    }
    
    .about-content {
        padding: 1rem;
    }
    
    .footer-nav a {
        display: block;
        margin: 0.5rem 0;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-in-left {
    animation: slideInLeft 0.5s ease-out;
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

.slide-in-right {
    animation: slideInRight 0.5s ease-out;
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Page-specific styles */
.page-banner {
    background: #FFCC00;
    padding: 2rem;
    text-align: center;
    margin-bottom: 0;
}

.page-banner h2 {
    color: #333;
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
}

.about-text {
    margin-bottom: 2rem;
}

.about-text p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-size: 1rem;
}

.company-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.stat-item h3 {
    color: #FFCC00;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: #fff;
    font-size: 1rem;
    font-weight: 500;
    margin: 0;
}

@media (max-width: 768px) {
    .page-banner h2 {
        font-size: 1.5rem;
    }
    
    .company-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stat-item h3 {
        font-size: 2rem;
    }
}

/* Products Page Styles */
.product-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.product-category-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.product-category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.category-header {
    background: #85a2a6;
    padding: 1.5rem;
    text-align: center;
}

.category-header h3 {
    color: #fff;
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.category-image {
    position: relative;
    overflow: hidden;
}

.product-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.category-image:hover .product-image {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.category-image:hover .image-overlay {
    opacity: 1;
}

.view-more {
    color: #fff;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 1rem 2rem;
    border: 2px solid #fff;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.view-more:hover {
    background: #fff;
    color: #333;
}

.category-description {
    padding: 1.5rem;
    background: #f8f9fa;
}

.category-description p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* Product Features */
.product-features {
    background: #000;
    padding: 3rem 2rem;
    border-radius: 10px;
    margin-top: 2rem;
}

.product-features h3 {
    color: #FFCC00;
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
    font-weight: 700;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-item h4 {
    color: #FFCC00;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.feature-item p {
    color: #fff;
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 768px) {
    .product-categories-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .product-features h3 {
        font-size: 1.5rem;
    }
    
    .feature-icon {
        font-size: 2.5rem;
    }
}

/* Contact Page Styles */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 2rem;
}

/* Form Validation Styles */
.field-error {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 5px;
    display: block;
}

.contact-form input.error,
.contact-form textarea.error {
    border-color: #dc3545 !important;
    box-shadow: 0 0 0 2px rgba(220, 53, 69, 0.2) !important;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #85a2a6;
    box-shadow: 0 0 0 2px rgba(133, 162, 166, 0.2);
}

.submit-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.submit-btn:disabled:hover {
    background: #ccc;
}

/* Form field styling */
.contact-form input,
.contact-form textarea {
    padding: 0.75rem;
    border: 2px solid #e1e5e9;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #fff;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: #85a2a6;
    box-shadow: 0 0 0 3px rgba(133, 162, 166, 0.1);
}

.contact-form-container,
.contact-info-container {
    background: #fff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.contact-form-container h3,
.contact-info-container h3 {
    color: #85a2a6;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

/* Contact Form Styles */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    color: #333;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid #e1e5e9;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #85a2a6;
    box-shadow: 0 0 0 3px rgba(133, 162, 166, 0.1);
}

.form-group small {
    color: #666;
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

.radio-group {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
}

.radio-label input[type="radio"] {
    display: none;
}

.radio-custom {
    width: 18px;
    height: 18px;
    border: 2px solid #85a2a6;
    border-radius: 50%;
    position: relative;
    transition: all 0.3s ease;
}

.radio-label input[type="radio"]:checked + .radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: #85a2a6;
    border-radius: 50%;
}

.submit-btn {
    background: #85a2a6;
    color: #fff;
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    align-self: flex-start;
}

.submit-btn:hover {
    background: #6b8a8e;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(133, 162, 166, 0.3);
}

/* Contact Information Styles */
.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    background: #e9ecef;
    transform: translateX(5px);
}

.contact-icon {
    font-size: 1.5rem;
    min-width: 40px;
    text-align: center;
}

.contact-text h4 {
    color: #85a2a6;
    font-size: 1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact-text p {
    color: #666;
    line-height: 1.5;
    margin: 0;
}

.contact-text a {
    color: #85a2a6;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-text a:hover {
    color: #6b8a8e;
    text-decoration: underline;
}

@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .radio-group {
        flex-direction: column;
        gap: 1rem;
    }
    
    .contact-item {
        padding: 0.75rem;
    }
    
    .contact-icon {
        font-size: 1.25rem;
        min-width: 30px;
    }
}

/* Product Gallery Styles */
.product-gallery {
    margin-top: 2rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.product-item {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.product-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.product-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-item:hover .product-image img {
    transform: scale(1.05);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-item:hover .product-overlay {
    opacity: 1;
}

.product-name {
    color: #fff;
    font-weight: 600;
    font-size: 1.1rem;
    text-align: center;
    padding: 1rem;
}

/* Product Information */
.product-info {
    background: #000;
    padding: 2rem;
    border-radius: 10px;
    margin-top: 2rem;
}

.product-info h3 {
    color: #FFCC00;
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: 2rem;
    font-weight: 700;
}

.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.feature {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.feature:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.feature h4 {
    color: #FFCC00;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.feature p {
    color: #fff;
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1rem;
    }
    
    .features-list {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .product-info h3 {
        font-size: 1.5rem;
    }
}

/* Chemical Products Styles */
.chemical-products {
    margin-top: 2rem;
}

.chemical-categories {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.chemical-category {
    background: #fff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.chemical-category h3 {
    color: #85a2a6;
    font-size: 1.8rem;
    margin-bottom: 2rem;
    text-align: center;
    font-weight: 700;
    border-bottom: 2px solid #FFCC00;
    padding-bottom: 1rem;
}

.chemical-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.chemical-item {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.chemical-item:hover {
    background: #e9ecef;
    border-color: #85a2a6;
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.chemical-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.chemical-item h4 {
    color: #85a2a6;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.chemical-item p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 768px) {
    .chemical-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .chemical-category h3 {
        font-size: 1.5rem;
    }
    
    .chemical-icon {
        font-size: 2.5rem;
    }
}